141018 (2001 WC47)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2410885219 ± 2.37e-09
Semi-major axis (a)1.3986835315 AU ± 4.83e-10
Inclination (i)2.86931443° ± 3.16e-07
Long. of Asc. Node (Ω)91.59689055° ± 9.08e-06
Arg. of Perihelion (ω)101.46958094° ± 8.15e-06
Mean Anomaly (M)84.09314752° ± 1.97e-06
Mean Motion (n)0.5958447047°/day ± 3.09e-10
Perihelion dist (q)1.06147699 AU ± 3.34e-09
Aphelion dist (Q)1.73589008 AU ± 3.37e-09
Orbital Period1.65416639 yr ± 8.57e-10
Physical Parameters
H (abs. magnitude)19.04
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.274″
Uncertainty0
Orbit TypeAmor
MOID0.078185 AU
Observations Used1601
Radar Obs Used4
Oppositions8
Arc Total1991-2012
First Observation Used1991-12-07
Last Observation Used2025-03-20
Observations (1697)
Date Type RA Dec Mag Band Observatory
2012-04-25 03:00:59 C 12 06 39.32 +29 01 05.1 o G48
2012-04-25 03:01:35 C 12 06 39.42 +29 01 03.9 o G48
2012-04-25 03:02:08 C 12 06 39.51 +29 01 02.7 o G48
2012-04-25 03:02:42 C 12 06 39.62 +29 01 01.5 o G48
2012-04-25 03:03:16 C 12 06 39.71 +29 01 00.3 o G48
2012-04-25 03:03:49 C 12 06 39.80 +29 00 59.2 o G48
2012-04-25 19:24:35 C 12 09 42.70 +28 23 55.5 r 168
2012-04-25 21:45:06 C 12 10 08.04 +28 18 51.3 u C40
2012-04-25 21:46:38 C 12 10 08.31 +28 18 47.7 u C40
2012-04-25 21:48:10 C 12 10 08.57 +28 18 44.1 u C40
2012-04-25 22:01:56 C 12 10 10.85 +28 17 50.7 r 168
2012-04-25 22:04:59 C 12 10 11.51 +28 18 04.8 u C40
2012-04-25 22:06:30 C 12 10 11.76 +28 18 01.0 u C40
2012-04-25 22:08:02 C 12 10 12.04 +28 17 57.5 u C40
2012-04-25 22:23:14 C 12 10 14.70 +28 17 22.0 u C40
2012-04-25 22:24:47 C 12 10 14.98 +28 17 18.5 u C40
2012-04-25 22:26:18 C 12 10 15.25 +28 17 14.7 u C40
2012-04-25 22:46:12 C 12 10 18.76 +28 16 27.9 u C40
2012-04-25 22:47:43 C 12 10 19.04 +28 16 24.3 u C40
2012-04-25 22:49:15 C 12 10 19.32 +28 16 20.6 u C40
2012-04-25 22:50:46 C 12 10 19.59 +28 16 17.0 u C40
2012-04-26 18:19:16 C 12 14 04.16 +27 31 47.8 r 168
2012-04-26 20:56:04 C 12 14 32.77 +27 25 59.2 u 089
2012-04-26 21:28:30 C 12 14 38.30 +27 24 42.8 u 089
2012-04-26 21:31:20 C 12 14 38.80 +27 24 36.2 u 089
2012-04-26 21:32:00 C 12 14 38.02 +27 24 14.9 r 168
2012-04-26 21:39:36 C 12 14 40.17 +27 24 16.6 u 089
2012-04-26 21:42:27 C 12 14 40.68 +27 24 10.0 u 089
2012-04-26 21:45:18 C 12 14 41.18 +27 24 03.4 u 089
2012-04-26 21:48:09 C 12 14 41.67 +27 23 56.6 u 089
2012-04-26 21:51:00 C 12 14 42.14 +27 23 49.9 u 089
2012-04-26 21:53:51 C 12 14 42.65 +27 23 43.2 u 089
2012-04-27 11:07:22 C 12 17 16.15 +26 53 20.5 u 379
2012-04-27 11:10:02 C 12 17 16.59 +26 53 14.5 u 379
2012-04-27 11:15:38 C 12 17 17.52 +26 53 01.6 u 379
2012-04-27 11:29:40 C 12 17 19.88 +26 52 29.8 u 379
2012-04-28 03:05:18 C 12 20 12.85 +26 15 48.5 v I51
2012-04-28 03:17:26 C 12 20 14.84 +26 15 19.8 v I51
2012-04-28 03:29:30 C 12 20 16.82 +26 14 51.2 v I51
2012-04-28 12:13:08 C 12 21 55.32 +25 54 15.3 u 379
2012-04-28 12:15:48 C 12 21 55.78 +25 54 09.0 u 379
2012-04-28 12:18:29 C 12 21 56.22 +25 54 02.6 u 379
2012-04-28 21:43:45 C 12 23 39.36 +25 31 10.9 u C01
2012-04-28 21:44:38 C 12 23 39.51 +25 31 08.8 u C01
2012-04-28 21:45:31 C 12 23 39.65 +25 31 06.7 u C01
2012-04-28 21:47:17 C 12 23 39.94 +25 31 02.5 u C01
2012-04-28 21:50:37 C 12 23 40.91 +25 30 55.1 u 510
2012-04-28 21:59:56 C 12 23 42.47 +25 30 32.7 u 510
2012-04-28 22:09:14 C 12 23 44.02 +25 30 10.2 u 510
2012-04-28 22:18:33 C 12 23 45.59 +25 29 47.7 u 510
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2012-02-23 03:49:00 144453538.71 1 us 2380 -1 -1
2012-02-24 03:41:00 142926781.41 1 us 2380 -1 -1
2012-04-25 01:34:00 101829197.45 8 us 2380 -1 -1
2012-04-27 02:37:00 102564234.66 2 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)